Optical design of high-flux solar simulators
Indoor high-flux solar simulators that mimic solar optical concentrators
are used as artificial sources of concentrated solar radiation for
solar thermal and thermochemical research, and for testing of materials
under extreme radiative fluxes and temperatures. They create controlled,
weather-independent experimental conditions. We developed a systematic
approach to the design of a class of high-flux solar simulators.
The generic simulator concept consists of an array of identical
lamps arranged in concentric rows. Each module consists
of a xenon short-arc lamp, which approximates a point radiation source,
coupled to a truncated ellipsoidal reflector. Inputs to the design
are the overall rim angle of the simulator, the number of module rows,
the number of lamps in each row, and the diameter and the depth
of the reflector. The positions and orientations of the lamps
are then obtained from geometrical relations.
Simulators are designed for maximum source-to-target radiative transfer
efficiency and optimum radiative flux distributions on selected plane
and hemispherical reference surfaces, using the Monte Carlo
Learn more about
a new high-flux solar simulator
for high-temperature solar thermal and thermochemical research designed
at the Australian National University.